Add 2/45 and 5/20
2/45 + 5/20 is 53/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
5/20 = 5 × 9/20 × 9 = 45/180 - Add the two like fractions:
8/180 + 45/180 = 8 + 45/180 = 53/180 - So, 2/45 + 5/20 = 53/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+5/20 2/45+10/20 2/90+5/20 2/45+5/40 6/45+5/20 2/45+15/20 2/45+5/60 10/45+5/20 2/45+25/20 14/45+5/20 2/45+35/20